<!DOCTYPE html>
<html lang="en"
      xmlns:th="http://www.thymeleaf.org"
>
<head>
    <meta charset="UTF-8">
    <title>header</title>
</head>
<body>
<div th:fragment="header">
    <H1>header</H1>
    <a href="https://wwww.sz-jlc.com">欢迎点击嘉立创</a>
</div>
</body>
</html>